EAST OAHU (HawaiiNewsNow) - The search continues Thursday for the scuba diver missing off east Oahu.
New York City resident Matthew Curley has not been seen since Monday.
The 28 year old was exploring a sunken vessel on a guided dive led by Island Divers when he disappeared.
The Honolulu Fire Department has expanded its search area, which now spans from Kokohead to Kaka'ako.
HFD crews began searching the Hanauma Bay area Thursday morning on jet skis. According to HFD, other firefighters are patrolling on land in the south direction toward Diamond Head and Black Point.
Rough surf conditions and murky water is making visibility a challenge for rescue crews.
According to HFD, it is presumed that Curley is lost at sea.
The Coast Guard has suspended its search efforts, but continues to provide HFD officials with updated drift pattern and other buoy information.
Officials and the diving community do not know what may have happened to Curley when he disappeared after the divers surfaced on Monday.
Rescue crews immediately searched three other sunken vessels in the area on Monday with no sign of Curley.
We'll have more details on this story as it becomes available.